KFB3 Flare Mounted Broaching Standoffs

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Flare Mounted Broaching Standoffs KFB3-U

Self Clinching Fasteners • Fasteners for PC Boards
American Standard (Inches) & Metric Sizes

UNICORP Electronic Hardware Self-Clinching Fasteners - Flare-Mounted Broaching Standoffs KFB3

• Self-clinching • Used for spacing or stacking components
• Flared shank for greater strength • Installed on PC boards

American Standard Sizes: • Series KFB3-U

Metric Sizes: • Series KFB3-U

Series KFB3-U

Series KFB3-U / American Standard Sizes
• "A" (Shank) Max.- 0.090" • Sheet Thickness- 0.050"-0.065" • Fastener Material- CDA-353 Brass • Mil-Spec- N/A • "DT" Finish- Electro-Plated Matte-Tin per ASTM B 545, Class A with Clear Preservative Coating, Annealed • "ET" Finish- Electro-Plated Bright Tin per ASTM B545, Class B with Preservative Coating
	Series KFB3-U American Standard Sizes (SAE)

Part
Number

Thread

"B"

"C"
Max.

"E"

"F"
Minimum
Thread
Length

"K"

"P"

"L"

Hole
Size in
Sheet

Min.
Distance
to Edge

Part Numbers with "DT" Finish

KFB3-440-2DT-U

4-40

0.122"

0.165"

0.219"

0.062"

0.179"

0.040"

0.062"

0.166"

0.170"

KFB3-440-4DT-U

4-40

0.122"

0.165"

0.219"

0.125"

0.179"

0.040"

0.125"

0.166"

0.170"

KFB3-440-6DT-U

4-40

0.122"

0.165"

0.219"

0.187"

0.179"

0.040"

0.187"

0.166"

0.170"

KFB3-440-8DT-U

4-40

0.122"

0.165"

0.219"

0.250"

0.179"

0.040"

0.250"

0.166"

0.170"

KFB3-440-10DT-U

4-40

0.122"

0.165"

0.219"

0.312"

0.179"

0.040"

0.312"

0.166"

0.170"

KFB3-440-12DT-U

4-40

0.122"

0.165"

0.219"

0.375"

0.179"

0.040"

0.375"

0.166"

0.170"

KFB3-440-16DT-U

4-40

0.122"

0.165"

0.219"

0.500"

0.179"

0.040"

0.500"

0.166"

0.170"

KFB3-440-20DT-U

4-40

0.122"

0.165"

0.219"

0.625"

0.179"

0.040"

0.625"

0.166"

0.170"

KFB3-632-2DT-U

6-32

0.171"

0.212"

0.280"

0.062"

0.226"

0.040"

0.062"

0.213"

0.220"

KFB3-632-4DT-U

6-32

0.171"

0.212"

0.280"

0.125"

0.226"

0.040"

0.125"

0.213"

0.220"

KFB3-632-6DT-U

6-32

0.171"

0.212"

0.280"

0.187"

0.226"

0.040"

0.187"

0.213"

0.220"

KFB3-632-8DT-U

6-32

0.171"

0.212"

0.280"

0.250"

0.226"

0.040"

0.250"

0.213"

0.220"

KFB3-632-10DT-U

6-32

0.171"

0.212"

0.280"

0.312"

0.226"

0.040"

0.312"

0.213"

0.220"

KFB3-632-12DT-U

6-32

0.171"

0.212"

0.280"

0.375"

0.226"

0.040"

0.375"

0.213"

0.220"

KFB3-632-16DT-U

6-32

0.171"

0.212"

0.280"

0.500"

0.226"

0.040"

0.500"

0.213"

0.220"

KFB3-632-20DT-U

6-32

0.171"

0.212"

0.280"

0.625"

0.226"

0.040"

0.625"

0.213"

0.220"

KFB3-632-24DT-U

6-32

0.171"

0.212"

0.280"

0.375"

0.226"

0.040"

0.750"

0.213"

0.220"

KFB3-632-32DT-U

6-32

0.171"

0.212"

0.280"

0.375"

0.226"

0.040"

1.000"

0.213"

0.220"

Part Numbers with "ET" Finish

KFB3-440-2ET-U

4-40

0.122"

0.165"

0.219"

0.062"

0.179"

0.040"

0.062"

0.166"

0.170"

KFB3-440-4ET-U

4-40

0.122"

0.165"

0.219"

0.125"

0.179"

0.040"

0.125"

0.166"

0.170"

KFB3-440-6ET-U

4-40

0.122"

0.165"

0.219"

0.187"

0.179"

0.040"

0.187"

0.166"

0.170"

KFB3-440-8ET-U

4-40

0.122"

0.165"

0.219"

0.250"

0.179"

0.040"

0.250"

0.166"

0.170"

KFB3-440-10ET-U

4-40

0.122"

0.165"

0.219"

0.312"

0.179"

0.040"

0.312"

0.166"

0.170"

KFB3-440-12ET-U

4-40

0.122"

0.165"

0.219"

0.375"

0.179"

0.040"

0.375"

0.166"

0.170"

KFB3-440-16ET-U

4-40

0.122"

0.165"

0.219"

0.500"

0.179"

0.040"

0.500"

0.166"

0.170"

KFB3-440-20ET-U

4-40

0.122"

0.165"

0.219"

0.625"

0.179"

0.040"

0.625"

0.166"

0.170"

KFB3-632-2ET-U

6-32

0.171"

0.212"

0.280"

0.062"

0.226"

0.040"

0.062"

0.213"

0.220"

KFB3-632-4ET-U

6-32

0.171"

0.212"

0.280"

0.125"

0.226"

0.040"

0.125"

0.213"

0.220"

KFB3-632-6ET-U

6-32

0.171"

0.212"

0.280"

0.187"

0.226"

0.040"

0.187"

0.213"

0.220"

KFB3-632-8ET-U

6-32

0.171"

0.212"

0.280"

0.250"

0.226"

0.040"

0.250"

0.213"

0.220"

KFB3-632-10ET-U

6-32

0.171"

0.212"

0.280"

0.312"

0.226"

0.040"

0.312"

0.213"

0.220"

KFB3-632-12ET-U

6-32

0.171"

0.212"

0.280"

0.375"

0.226"

0.040"

0.375"

0.213"

0.220"

KFB3-632-16ET-U

6-32

0.171"

0.212"

0.280"

0.500"

0.226"

0.040"

0.500"

0.213"

0.220"

KFB3-632-20ET-U

6-32

0.171"

0.212"

0.280"

0.625"

0.226"

0.040"

0.625"

0.213"

0.220"

KFB3-632-24ET-U

6-32

0.171"

0.212"

0.280"

0.375"

0.226"

0.040"

0.750"

0.213"

0.220"

KFB3-632-32ET-U

6-32

0.171"

0.212"

0.280"

0.375"

0.226"

0.040"

1.000"

0.213"

0.220"

Series KFB3-U / Metric Sizes
• "A" (Shank) Max.- 2.29 mm • Sheet Thickness- 1.27 mm - 1.65 mm • Fastener Material- CDA-353 Brass • Mil-Spec- N/A • "DT" Finish- Electro-Plated Matte-Tin per ASTM B 545, Class A with Clear Preservative Coating, Annealed • "ET" Finish- Electro-Plated Bright Tin per ASTM B545, Class B with Preservative Coating
	Series KFB3-U Metric Sizes

Part
Number

Thread

"B"

"C"
Max.

"E"

"F" Minimum
Thread
Length

"K"

"P"

"L"

Hole
Size in
Sheet

Min.
Distance
to Edge

Part Numbers with "DT" Finish

KFB3-M3-2DT-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

2.00
mm

4.55
mm

1.00
mm

2.00
mm

4.22
mm

4.33
mm

KFB3-M3-3DT-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

3.00
mm

4.55
mm

1.00
mm

3.00
mm

4.22
mm

4.33
mm

KFB3-M3-4DT-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

4.00
mm

4.55
mm

1.00
mm

4.00
mm

4.22
mm

4.33
mm

KFB3-M3-6DT-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

6.00
mm

4.55
mm

1.00
mm

6.00
mm

4.22
mm

4.33
mm

KFB3-M3-8DT-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

8.00
mm

4.55
mm

1.00
mm

8.00
mm

4.22
mm

4.33
mm

KFB3-M3-10DT-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

10.00
mm

4.55
mm

1.00
mm

10.00
mm

4.22
mm

4.33
mm

KFB3-M3-12DT-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

9.50
mm

4.55
mm

1.00
mm

12.00
mm

4.22
mm

4.33
mm

KFB3-M3-14DT-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

9.50
mm

4.55
mm

1.00
mm

14.00
mm

4.22
mm

4.33
mm

KFB3-M3-16DT-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

9.50
mm

4.55
mm

1.00
mm

16.00
mm

4.22
mm

4.33
mm

KFB3-M4-2DT-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

2.00
mm

6.68
mm

1.00
mm

2.00
mm

6.40
mm

6.36
mm

KFB3-M4-3DT-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

3.00
mm

6.68
mm

1.00
mm

3.00
mm

6.40
mm

6.36
mm

KFB3-M4-4DT-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

4.00
mm

6.68
mm

1.00
mm

4.00
mm

6.40
mm

6.36
mm

KFB3-M4-6DT-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

6.00
mm

6.68
mm

1.00
mm

6.00
mm

6.40
mm

6.36
mm

KFB3-M4-8DT-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

8.00
mm

6.68
mm

1.00
mm

8.00
mm

6.40
mm

6.36
mm

KFB3-M4-10DT-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

10.00
mm

6.68
mm

1.00
mm

10.00
mm

6.40
mm

6.36
mm

KFB3-M4-12DT-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

9.50
mm

6.68
mm

1.00
mm

12.00
mm

6.40
mm

6.36
mm

KFB3-M4-14DT-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

9.50
mm

6.68
mm

1.00
mm

14.00
mm

6.40
mm

6.36
mm

KFB3-M4-16DT-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

9.50
mm

6.68
mm

1.00
mm

16.00
mm

6.40
mm

6.36
mm

Part Numbers with "ET" Finish

KFB3-M3-2ET-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

2.00
mm

4.55
mm

1.00
mm

2.00
mm

4.22
mm

4.33
mm

KFB3-M3-3ET-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

3.00
mm

4.55
mm

1.00
mm

3.00
mm

4.22
mm

4.33
mm

KFB3-M3-4ET-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

4.00
mm

4.55
mm

1.00
mm

4.00
mm

4.22
mm

4.33
mm

KFB3-M3-6ET-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

6.00
mm

4.55
mm

1.00
mm

6.00
mm

4.22
mm

4.33
mm

KFB3-M3-8ET-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

8.00
mm

4.55
mm

1.00
mm

8.00
mm

4.22
mm

4.33
mm

KFB3-M3-10ET-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

10.00
mm

4.55
mm

1.00
mm

10.00
mm

4.22
mm

4.33
mm

KFB3-M3-12ET-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

9.50
mm

4.55
mm

1.00
mm

12.00
mm

4.22
mm

4.33
mm

KFB3-M3-14ET-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

9.50
mm

4.55
mm

1.00
mm

14.00
mm

4.22
mm

4.33
mm

KFB3-M3-16ET-U

M3 x 0.5

3.23
mm

4.20
mm

5.56
mm

9.50
mm

4.55
mm

1.00
mm

16.00
mm

4.22
mm

4.33
mm

KFB3-M4-2ET-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

2.00
mm

6.68
mm

1.00
mm

2.00
mm

6.40
mm

6.36
mm

KFB3-M4-3ET-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

3.00
mm

6.68
mm

1.00
mm

3.00
mm

6.40
mm

6.36
mm

KFB3-M4-4ET-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

4.00
mm

6.68
mm

1.00
mm

4.00
mm

6.40
mm

6.36
mm

KFB3-M4-6ET-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

6.00
mm

6.68
mm

1.00
mm

6.00
mm

6.40
mm

6.36
mm

KFB3-M4-8ET-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

8.00
mm

6.68
mm

1.00
mm

8.00
mm

6.40
mm

6.36
mm

KFB3-M4-10ET-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

10.00
mm

6.68
mm

1.00
mm

10.00
mm

6.40
mm

6.36
mm

KFB3-M4-12ET-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

9.50
mm

6.68
mm

1.00
mm

12.00
mm

6.40
mm

6.36
mm

KFB3-M4-14ET-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

9.50
mm

6.68
mm

1.00
mm

14.00
mm

6.40
mm

6.36
mm

KFB3-M4-16ET-U

M4 x 0.7

5.23
mm

6.33
mm

8.74
mm

9.50
mm

6.68
mm

1.00
mm

16.00
mm

6.40
mm

6.36
mm

UNICORP Electronic Hardware - Self Clinching Fasteners

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electronic hardware, handles and precision fasteners used by leading companies
in nearly every industry since 1971.

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